Add 5/28 and 15/80
5/28 + 15/80 is 41/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
5/28 = 5 × 20/28 × 20 = 100/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
15/80 = 15 × 7/80 × 7 = 105/560 - Add the two like fractions:
100/560 + 105/560 = 100 + 105/560 = 205/560 - 205/560 simplified gives 41/112
- So, 5/28 + 15/80 = 41/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/28+15/80 5/28+30/80 5/56+15/80 15/28+15/80 5/28+45/80 5/84+15/80 25/28+15/80 5/28+75/80 35/28+15/80